Smith, I. R. (1930). INFECTION OF THE UPPER RESPIRATORY TRACT AS AN ETIOLOGICAL FACTOR IN PULMONARY DISEASE.
Citación estilo ChicagoSmith, I. R. INFECTION OF THE UPPER RESPIRATORY TRACT AS AN ETIOLOGICAL FACTOR IN PULMONARY DISEASE. 1930.
Cita MLASmith, I. R. INFECTION OF THE UPPER RESPIRATORY TRACT AS AN ETIOLOGICAL FACTOR IN PULMONARY DISEASE. 1930.
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